Over 37,500 tickets were given to fans for free, with a Â£5 handling fee charged per pair.

However, the BBC is working to stop the resale of tickets, as some ticket holders try to make a large profit.

"Tickets for BBC Radio 1's Big Weekend Derry-Londonderry are free and we work with those running major auction websites and sales outlets to have posts offering tickets for sale or trade removed," a spokesperson told BBC Newsbeat.

"Those offering tickets for sale are breaking the Terms & Conditions they agreed to during the booking process and we reserve the right to cancel them."

Olly Murs and Two Door Cinema Club are the only acts confirmed for the event so far, with further name to be announced in the near future.